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प्रश्न
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
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उत्तर
Air is a rarer medium, while water is denser than air. Therefore, when a light ray travels from air to water, it will bend towards the normal.
Refraction from rarer to denser medium
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संबंधित प्रश्न
Select the correct alternative
The speed of light is maximum in
State the speed of light in (a) air, (b) glass.
State whether light slows down or speeds up in the following cases :
Light going from air to glass.
State whether light slows down or speeds up in the following cases :
Light going from glass to water.
A light ray passes from water to
- air, and
- glass.
In each case, state how does the speed of light change.
The speed of light is maximum in ______.
Numerical problem.
Light enters from air into a glass plate having refractive index 1.5. What is the speed of light in glass? (Ans: 2 × 108 ms–1)
Materials that are not able to allow light to pass through, are called ______ material.
Light is one of the slowest traveling energy with a speed of 3 × 10-8ms-1
Two medium with a refractive index of 1.31 & 1.50 is given. In which case
- The bending of light is more and
- speed of light is more.
